File name: tins_postinstall.htmlUsing the post-installer
after updating or rolling back to
a different service level
For z/OS systems, service
that is applied to WebSphere
Application Server occasionally requires corresponding changes to
be made to the configuration file systems for existing application
serving environments that were configured at a lower service level.
For distributed operating systems, service that is applied to WebSphere
Application Server occasionally requires corresponding changes to
be made to the profile directory for existing application-serving
environments that were created at a lower service level.
About this task
Most of these
post-maintenance or post-installation updates
can be performed automatically. This is done by the post-installer.
The WebSphere
® Application Server post-installer
is a set of scripts that can be used to:
- Run configuration
actions by Installation Manager at installation
or uninstallation time
- Automatically detect the application
or removal of fixpacks, and
run any necessary configuration actions
- Automatically
detect the addition or removal of
an offering, optional feature, or iFix; and then create or remove
any associated symlinks
The post-installation process is
performed at the node level
and must run against each node's WebSphere Application
Server home directory after maintenance is applied to the product
datasets and HFS and before the node is started. For more information
about the post-installer and how to use it to apply or back out service
to the configuration HFS, see
Completing post-installation tasks after updating or rolling back to a different service level.
Procedure
- Perform
the post-installation process in ether of two ways.
- Automatically by the post-installer
A console message
is displayed
whenever the post-installation detects service to be applied. In
some cases, some post-installation steps might still have to be performed
manually. The post-installer will detect these situations and refuse
to start the server.
- Manually
You can run the post-installer
yourself against each
node's WebSphere Application Server home directory
after installing maintenance and before starting the nodes.
- Optional: You
might find it
useful to set up a WLM rule to combat performance problems related
to post-installation.
In this information ...
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